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1 /*
2  * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  * conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  * of conditions and the following disclaimer in the documentation and/or other materials
12  * provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without specific prior written
16  * permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include "it_pthread_test.h"
31 
ChildProcess(void)32 static int ChildProcess(void)
33 {
34     int ret, currPolicy = 0;
35     volatile unsigned int count = 0;
36     struct sched_param currSchedParam = { 0 };
37     struct sched_param param = {
38         .sched_deadline = 1000000,  /* 1000000, 1s */
39         .sched_runtime = 20000,     /* 20000, 20ms */
40         .sched_period = 1000000,    /* 1000000, 1s */
41     };
42 
43     ret = sched_getparam(getpid(), &currSchedParam);
44     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
45 
46     currPolicy = sched_getscheduler(getpid());
47     ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_RR, LOS_NOK);
48     currSchedParam.sched_runtime = 0;
49     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 0, LOS_NOK);
50     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 0, LOS_NOK);
51     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 0, LOS_NOK);
52 
53     ret = sched_setscheduler(getpid(), SCHED_DEADLINE, &param);
54     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
55 
56     currPolicy = sched_getscheduler(getpid());
57     ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_DEADLINE, LOS_NOK);
58 
59     ret = sched_getparam(getpid(), &currSchedParam);
60     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
61     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 1000000, LOS_NOK);    /* 1000000, 1s */
62     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 20000, LOS_NOK);       /* 20000, 20ms */
63     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 1000000, LOS_NOK);      /* 1000000, 1s */
64 
65     printf("--- 1 edf thread start --\n\r");
66     do {
67         for (volatile int i = 0; i < 10000; i++) { /* 10000, no special meaning */
68             for (volatile int j = 0; j < 5; j++) { /* 5, no special meaning */
69                 int tmp = i - j;
70             }
71         }
72         if (count % 3 == 0) {  /* 3, no special meaning */
73             printf("--- 2 edf thread running --\n\r");
74         }
75         count++;
76     } while (count <= 6); /* 6, no special meaning */
77     printf("--- 3 edf thread end --\n\r");
78 
79     return 0;
80 }
81 
TestCase(void)82 static int TestCase(void)
83 {
84     int ret, pid, status;
85 
86     pid = fork();
87     if (pid == 0) {
88         ret = ChildProcess();
89         if (ret != 0) {
90             exit(-1);
91         }
92         exit(0);
93     } else if (pid > 0) {
94         waitpid(pid, &status, 0);
95     } else {
96         exit(__LINE__);
97     }
98 
99     return WEXITSTATUS(status) == 0 ? 0 : -1;
100 }
101 
ItTestPthread020(void)102 void ItTestPthread020(void)
103 {
104     TEST_ADD_CASE("IT_POSIX_PTHREAD_020", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
105 }
106